Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10598063 | Exhaust purification system of internal combustion engine | Keiichiro Aoki, Go Hayashita | 2020-03-24 |
| 10570843 | Exhaust purification system of internal combustion engine | Keiichiro Aoki, Go Hayashita | 2020-02-25 |